Add a Nitro server route at /api/health that returns JSON with:
status: "ok"
uptime: process uptime in seconds
version: read from package.json
timestamp: current ISO timestamp
Example response
{
"status": "ok",
"uptime": 1234,
"version": "0.1.0",
"timestamp": "2026-02-11T12:00:00.000Z"
}
Acceptance criteria